diff --git a/uweb3/templateparser.py b/uweb3/templateparser.py
index cd27a73e..ad5876c1 100644
--- a/uweb3/templateparser.py
+++ b/uweb3/templateparser.py
@@ -447,7 +447,7 @@ def SetEvalWhitelist(
 class Template(list):
     """Contained for template parts, allowing for rich content construction."""
 
-    FUNCTION = re.compile(r"\{\{\s*(.*?)\s*\}\}")
+    FUNCTION = re.compile(r"\{\{\s*([\s\S]*?)\s*\}\}")
     # For a full tag syntax explanation, refer to the TAG regex in TemplateTag.
     TAG = re.compile(
         """